屏蔽线

In order to prevent all kinds of radiation produced by electron linear accelerator from bringing about harmful effect on creatures,we adopt some measures to shield bremsstrahlung X-rays and photoneutron in the design of accelerator.

为防止电子直线加速器产生的各种辐射所造成的有害生物效应，加速器实验室应采用一系列措施，对韧致辐射 x 线及光中子进行屏蔽防护。

The wires serve as the preferred conductor of CATV coaxial cable,RF cable,leak cable and other high-frequency cables,and ideally suited for most electrical conductor applications,war industry ,aviation,IC plugs,instruments plugs,motor,transformer loop,TV degaussing loop,defluxion loop,especial high conductor and high intension spring,line,shiele net and so on,the field is very wide.

在原有的应用领域同轴电缆、射频电缆、漏泄电缆等高频信号传输领域的基础上，向电力电缆、控制电缆、军工、航空、电子元件接插件、仪器仪表连接线、电机、变压器线圈、电声线圈、电视机消磁线圈和偏转线圈、特种高导电率高强度弹簧、绞线、射频屏蔽网等更广泛的应用领域扩展。

Copper Distributed Data Interface is a version of FDDI (Fiber Distributed Data Interface— a 100 million bit per second local area network) that runs on unshielded twisted-pair cabling rather than optical fiber.

铜线分布数据接口是FDDI(光纤分布数据接口，一种100Mbps局域网)的一种版本，传输线路采用非屏蔽双绞线而不是光纤电缆。

Companies are owned fully automatic foil winding machine, CNC horizontal shearing and slitting silicon lines, automatic vacuum drying, Impregnation device;Discharge Tester, Japan Power Analyzer, Harmonic Analyzer ; and has shielded room PD testing and other advanced production equipment and testing equipment and facilities.

公司现拥用全自动箔式绕线机，数控硅钢片横剪和纵剪线，全自动真空干燥、浸漆装置；瑞士哈弗莱局放测试仪、日本功率分析仪、谐波分析仪；并拥有局放测试屏蔽室等先进的生产设备和检测设备及设施。

Combine with the analysis of the effect that caused by the shielding of topography and the conditions when lightning occurred on the top of the transmission tower, this paper bring forward a synthetical scheme that on the AnNan overhead transmission line, can use long life resistance reducer to reduce the ground resistance of the transmission tower,set up a shielding pull- line on the body of some tower,set up lightning arrester and take unbalance insulated method to improve the level of the line's ability of preventing lightning.

结合地面屏蔽效果分析和雷击杆塔塔顶情况分析，提出了在安南线采用降低杆塔冲击接地电阻、对部分杆塔塔身安装防雷拉线、加装线路避雷器、在双回路共架杆段采用不平衡绝缘配置等措施来提高安南线耐雷水平的综合方案。使用长效降阻剂，降低杆塔的接地电阻，这是提高线路耐雷水平、降低雷击跳闸率的有效措施。

The essay discusses the calculation and selection of body-form co-efficient for double contact lines suspension in urban mass transit, analyzes the affection from wind displacement of contact line, calculation of span , curvature of mast and calculating load and recommends that the shield between contact lines shall be considered for wind load of multi-contact lines.

对城市轨道交通双导线接触网悬挂风载体型系数进行了计算选用方面的探讨，并对接触线风偏移、计算跨距、支柱挠度和计算荷载的影响进行了分析，建议多导线的风载情况应考虑导线间的屏蔽作用。

One compact long pulse generator was presented, whose spiral pulse forming line consisted of an inner conductor and an outer shield composed of magnetic material.

提出了一种结构紧凑的长脉冲发生器，该发生器的螺旋型形成线包含有磁性材料构成的内导体棒和外屏蔽。

Simple analytic formulas for odd and even mode capacitances per unit length and characteristic impedances for those two coupled structures were derived using conformal mapping method and partial capacitance technique.

采用保角变换和部分电容法，导出了耦合共面波导奇偶模单位长度电容及其特性阻抗的解析表达式。数值结果与利用其他方法分析椭圆耦合带线、三带线耦合共面波导和矩形屏蔽耦合共面波导的结果吻合得较好，表明本方法是可行

Products manufactured by the broad masses of customers, which products are: Cable wire products are: Copper core PVC insulation sheath thin wires, copper core PVC insulated sheathed flexible cables connected, television wires, telephone lines, plastic control cable plug line, fire-retardant power cables, resistance wire and cable sheathing edge insulation, fire-resistant wire and cable, steel aluminum hinge line and shielded control cables and so on.

所制造的产品深受广大客户的欢迎，其中产品有：电缆电线产品有：铜芯聚氯稀绝缘护套电线，铜芯聚氯乙稀绝缘，护套连接软电缆，电视电线，电话线，全塑控制电缆电源插头线，阻燃电力电缆，阻缘绝缘护套电线电缆，耐火电线电缆，钢芯铝铰线及屏蔽控制电缆电线等等。

According to the traditional concept, the shielded signal wire should be applied in low voltage circuit to lower the interference and its screen connected to earth at both ends to weaken the electromagnetic coupling effect.

在传统的概念中，为降低弱电回路的干扰，宜采用带屏蔽层的信号线，且屏蔽层应两端接地，以削弱电磁耦合的影响。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。